Added a keybaord shortcut to duplicate tabs (#7884)

Author: BlairCurrey

src/Files/Views/ColumnShellPage.xaml

@@ -128,6 +128,11 @@
             Key="F1"
             Invoked="KeyboardAccelerator_Invoked"
             IsEnabled="{x:Bind IsCurrentInstance, Mode=OneWay}" />
+        <KeyboardAccelerator
+            Key="K"
+            Invoked="KeyboardAccelerator_Invoked"
+            IsEnabled="{x:Bind IsCurrentInstance, Mode=OneWay}"
+            Modifiers="Control" />
     </Page.KeyboardAccelerators>
     <Grid
         x:Name="RootGrid"

src/Files/Views/ColumnShellPage.xaml.cs

@@ -719,6 +719,10 @@ private async void KeyboardAccelerator_Invoked(KeyboardAccelerator sender, Keybo
                     UserSettingsService.PreferencesSettingsService.AreHiddenItemsVisible = !UserSettingsService.PreferencesSettingsService.AreHiddenItemsVisible;
                     break;
 
+                case (true, false, false, true, VirtualKey.K): // ctrl + k, duplicate tab
+                    await NavigationHelpers.OpenPathInNewTab(this.FilesystemViewModel.WorkingDirectory);
+                    break;
+
                 case (false, false, false, _, VirtualKey.F1): // F1, open Files wiki
                     await Launcher.LaunchUriAsync(new Uri(@"https://files.community/docs"));
                     break;

src/Files/Views/MainPage.xaml

@@ -164,6 +164,13 @@
                 </icore:EventTriggerBehavior>
             </i:Interaction.Behaviors>
         </KeyboardAccelerator>
+        <KeyboardAccelerator Key="K" Modifiers="Control">
+            <i:Interaction.Behaviors>
+                <icore:EventTriggerBehavior EventName="Invoked">
+                    <icore:InvokeCommandAction Command="{x:Bind ViewModel.AddNewInstanceAcceleratorCommand}" />
+                </icore:EventTriggerBehavior>
+            </i:Interaction.Behaviors>
+        </KeyboardAccelerator>
         <KeyboardAccelerator Key="F11">
             <i:Interaction.Behaviors>
                 <icore:EventTriggerBehavior EventName="Invoked">

src/Files/Views/ModernShellPage.xaml

@@ -104,6 +104,11 @@
             Invoked="KeyboardAccelerator_Invoked"
             IsEnabled="{x:Bind IsCurrentInstance, Mode=OneWay}"
             Modifiers="Menu" />
+        <KeyboardAccelerator
+            Key="K"
+            Invoked="KeyboardAccelerator_Invoked"
+            IsEnabled="{x:Bind IsCurrentInstance, Mode=OneWay}"
+            Modifiers="Control" />
         <KeyboardAccelerator
             Key="F2"
             Invoked="KeyboardAccelerator_Invoked"

src/Files/Views/ModernShellPage.xaml.cs

@@ -775,6 +775,10 @@ private async void KeyboardAccelerator_Invoked(KeyboardAccelerator sender, Keybo
                 case (true, false, false, true, VirtualKey.H): // ctrl + h, show/hide hidden items
                     UserSettingsService.PreferencesSettingsService.AreHiddenItemsVisible = !UserSettingsService.PreferencesSettingsService.AreHiddenItemsVisible;
                     break;
+                
+                case (true, false, false, true, VirtualKey.K): // ctrl + k, duplicate tab
+                    await NavigationHelpers.OpenPathInNewTab(this.FilesystemViewModel.WorkingDirectory);
+                    break;
 
                 case (false, false, false, _, VirtualKey.F1): // F1, open Files wiki
                     await Launcher.LaunchUriAsync(new Uri(@"https://files.community/docs"));